diff --git a/README.md b/README.md
index 67cca92..0a1aeb1 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # ADNC
 
 [![Build Status](https://travis-ci.org/joergfranke/ADNC.svg?branch=master)](https://travis-ci.org/joergfranke/ADNC)
-[![Python](https://img.shields.io/badge/python-3.6+-yellow.svg)](https://www.python.org/downloads/release/python-365/)
-[![TensorFLow](https://img.shields.io/badge/TensorFlow-1.8+-yellow.svg)](https://www.tensorflow.org/)
+[![Python](https://img.shields.io/badge/python-3.6-yellow.svg)](https://www.python.org/downloads/release/python-365/)
+[![TensorFLow](https://img.shields.io/badge/TensorFlow-1.8-yellow.svg)](https://www.tensorflow.org/)
 
 
 
diff --git a/requirements-gpu.txt b/requirements-gpu.txt
index e025157..576a641 100644
--- a/requirements-gpu.txt
+++ b/requirements-gpu.txt
@@ -1,10 +1,10 @@
-nltk>=3.3
-pyaml>=17.12.1
-pytest>=3.6.1
-pytest-cov>=2.5.1
-scipy>=1.1.0
-six>=1.11.0
-tensorflow-gpu>=1.8.0
-matplotlib>=2.2.2
-tqdm>=4.23.4
-Werkzeug>=0.14.1
+nltk==3.3
+pyaml==17.12.1
+pytest==3.6.1
+pytest-cov==2.5.1
+scipy==1.1.0
+six==1.11.0
+tensorflow-gpu==1.8.0
+matplotlib==2.2.2
+tqdm==4.23.4
+Werkzeug==0.14.1
diff --git a/requirements.txt b/requirements.txt
index 88e0c0b..5d76e9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,10 @@
-nltk>=3.3
-pyaml>=17.12.1
-pytest>=3.6.1
-pytest-cov>=2.5.1
-scipy>=1.1.0
-six>=1.11.0
-tensorflow>=1.8.0
-matplotlib>=2.2.2
-tqdm>=4.23.4
-Werkzeug>=0.14.1
+nltk==3.3
+pyaml==17.12.1
+pytest==3.6.1
+pytest-cov==2.5.1
+scipy==1.1.0
+six==1.11.0
+tensorflow==1.8.0
+matplotlib==2.2.2
+tqdm==4.23.4
+Werkzeug==0.14.1